L Arginine is an amino acid supplement that is the essential substrate for the production of Nitric Oxide Synthase, the enzyme that produces nitric oxide in the body.
These products are often marketed as male enhancement pills that can treat ED, boost sexual stamina and improve just about every aspect of your sexual performance.
28Seftel AD, Sun P, Swindle R The prevalence of hypertension, hyperlipidemia, diabetes mellitus and depression in men with erectile dysfunction.
The Part 2 will teach you some steps you need to do before starting any penis enlargement exercise.